Grayson, KY Weather & Growing Conditions
Today
90°F
Mostly Sunny
Mostly sunny, with a high near 90. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny | 1 mph SE | 7% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 2 mph S | 45% |
| Sunday | 90°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SW | 19% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph W | 39% |
| Monday | 81°F | Chance Showers And Thunderstorms | 5 mph NE | 44% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 52% |
| Tuesday | 76°F | Showers And Thunderstorms Likely | 3 mph NE | 60% |
| Tuesday Night | 58°F | Showers And Thunderstorms Likely | 3 mph NE | 70% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 5 mph E | 70% |
| Wednesday Night | 56°F | Showers And Thunderstorms Likely | 5 mph E | 67% |
| Thursday | 73°F | Chance Rain Showers | 5 mph N | 40% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph N | 21% |
| Friday | 73°F | Partly Sunny | 1 to 5 mph NE | 13% |
| Friday Night | 52°F | Partly Cloudy | 1 to 5 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grayson, KY
Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6b
Explore more for Grayson, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Grayson 3 Sw, Ky (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.